<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="111">wwqeqw</div>
<script>
    var bbb = 1;
    function aaa(){
        console.log(this.bbb)
        console.log(window.event)
    }    

    //aaa();

    //new aaa();
    document.getElementById('111').addEventListener('click',function(e){
        console.log(e);
        console.log(event);
        console.log(window);
    })
</script>
</body>
</html>